FEATURES-Works well with Blackhorn 209 Pyrodex® Pellets & loose powder-A unique knurled head requires no tools for easy removal in just 3 full rotations-Incorporates a built-in 209 holder-The flat face & heavy duty O-ring provide reliable ignition & reduced blow back-Fits Pursuit™ II Pursuit™ Ultralight Vortek™ Vortek™ Ultralight & Buckstalker™ Accelerator models